CVE-2009-2869
HIGH · CVSS 7.8EPSS 2.9%EU EUVD
Unspecified vulnerability in Cisco IOS 12.2XNA, 12.2XNB, 12.2XNC, 12.2XND, 12.4MD, 12.4T, 12.4XZ, and 12.4YA allows remote attackers to cause a denial of service (device reload) via a crafted NTPv4 packet, aka Bug IDs CSCsu24505 and CSCsv75948.
Key facts
- CVSS score
- 7.8 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C- EPSS score
- 2.9% (87th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-2859)
- Published
- September 28, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-2859 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
- cisco / ios
References
- http://osvdb.org/58342
- http://tools.cisco.com/security/center/viewAlert.x?alertId=18889(Vendor Advisory)
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080af8131.shtml(Vendor Advisory)
- http://www.securitytracker.com/id?1022930
- http://www.vupen.com/english/advisories/2009/2759
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6712
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain